1、Designation: B563 01 (Reapproved 2017)Standard Specification forPalladium-Silver-Copper Electrical Contact Alloy1This standard is issued under the fixed designation B563; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of
2、last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This specification covers an all
3、oy containing palladium,silver, copper, platinum, and nickel in the form of wire, rod,and strip for electrical contacts.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information o
4、nlyand are not considered standard.1.3 The following precautionary statement pertains to thetest method portion only, Section 7, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this sta
5、ndard to become familiar with all hazards includingthose identified in the appropriate Safety Data Sheet (SDS) forthis product/material as provided by the manufacturer, toestablish appropriate safety and health practices, and deter-mine the applicability of regulatory limitations prior to use.1.4 Th
6、is international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade
7、 (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B476 Specification for General Requirements for WroughtPrecious Metal Electrical Contact MaterialsE8 Test Methods for Tension Testing of Metallic MaterialsE384 Test Method for Microindentation Hardness of Mate-rials3. Materials and Manufact
8、ure3.1 Raw materials shall be of such quality and purity thatthe finished product will have the properties and characteristicsprescribed in this specification.3.2 The material shall be finished by such operations (coldworking, heat treating, annealing, turning, grinding, pickling)and are required to
9、 produce the prescribed properties.4. Chemical Composition4.1 Material produced under this specification shall meet therequirements of chemical composition shown in Table 1.5. Mechanical Properties5.1 The contract or order may specify ultimate tensilestrength, elongation, microhardness (Knoop or Vic
10、kers), hard-ness (Rockwell or Rockwell Superficial), or a combination ofthese mechanical properties as temper criterion. If the contractor order does not specify a temper criterion, then the criterionfor temper designation will be ultimate tensile strength andelongation.5.2 The material shall confor
11、m to the mechanical propertiesshown in Table 2, Table 3,orTable 4.6. General Requirements6.1 Specification B476 shall apply to all materials producedto this specification.7. Test Methods7.1 Test methods are in accordance with Specification B476.7.2 All tension tests are in accordance with Test Metho
12、ds E8and tensile specimens are full cross-section size when practi-cal. Elongation measurements should be based on a 2 in. (50mm) gage length.7.3 Hardness is in accordance with Test Method E384. Testmaterial 0.005 in. (0.13 mm) in thickness (diameter) and largerusing a 100 g indenter load. Test mate
13、rial less than 0.005 in. inthickness (diameter) using a 50 g indenter load. Make aminimum of five hardness indentations on each specimen.Make all indentations so that the long axis of the Knoopindenter is parallel to the rolling or drawing direction of thematerial.1This specification is under the ju
14、risdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.05 on Precious Metals and Electrical Contact Materials.Current edition approved April 1, 2017. Published April 2017. Originallyapproved in 1972. Last previous edition approved in 2011
15、as B563 01 (2011).DOI: 10.1520/B0563-01R17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM Int
16、ernational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards
17、, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.17.4 Perform chemical analysis by spectrochemical or wetanalysis methods.7.5 Conduct all tests at room temperature (65 to 85F), (18to 29C).8. Inspection and Testing8.1 Material furnished u
18、nder this specification shall beinspected and tested by the manufacturer as follows:8.1.1 Visual inspection at 10 magnification,8.1.2 Tension or hardness tests, or both, for temperverification,8.1.3 Dimensional inspection, and8.1.4 Chemical analysis when indicated by the purchaseorder.9. Keywords9.1
19、 contacts; electrical contacts; low contact resistance; lowenergy contact; non arcing contact ; palladium alloy;palladium-silver-copperAPPENDIX(Nonmandatory Information)X1. REFERENCE PROPERTIES FOR PALLADIUM ELECTRICAL CONTACT MATERIALX1.1 Table X1.1 contains a list of typical property valueswhich a
20、re useful for engineering calculations in electricalcontact design and application.TABLE 1 Chemical RequirementsElementComposition,weight %Palladium 43.045.0Silver 37.039.0Copper 15.516.5Platinum 0.81.2Nickel 0.81.2Total noble metal impurities 0.2 maxTotal base metal impurities 0.2 maxTABLE 2 Mechan
21、ical Requirements for Wire 0.003 to 0.020 in.(0.13 to 0.51 mm) DiameterAProperty UnitsTemperAgeHardenedSolutionAnnealedStressRelievedTensile strength ksiMPa100120689827135165930113716021010341344Elongation percent 20 min 8 min 110Hardness, Knoop HK100B170250 260330 320380Hardness, Vickers HV100B1702
22、40 240330 290370ASee 7.1.BSee 7.3.TABLE 3 Mechanical Requirements for Wire Over 0.020 to 0.060in. (0.51 to 1.52 mm) DiameterAProperty UnitsTemperSolutionAnnealedAgeHardenedTensile strength ksiMPa10012068982716021010001310Elongation percent 15 min 110Hardness, Knoop HK100B170250 340400Hardness, Vicke
23、rs HV100B170240 310390ASee 7.1.BSee 7.3.TABLE 4 Mechanical Requirements for Strip 0.003 to 0.015 in.(0.076 to 0.38 mm) ThickAProperty UnitsTemperAgeHardenedSolutionAnnealedStressRelievedTensile strength ksiMPa100120689827140170965117115019510341344Elongation percent 15 min 8 min 113Hardness, Knoop H
24、K100B170250 260330 320380Hardness, Vickers HV100B170240 250320 290370ASee 7.1.BSee 7.3.B563 01 (2017)2ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that de
25、termination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved
26、or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel t
27、hat your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprint
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29、ight Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ X1.1 Physical PropertiesSolution AnnealedAStress RelievedAAge HardenedResistivity:cmil/ft 185 180 155cm 30.7 29.9 25.8Density, g/cm310.8 10.8 10.8Solidus temperature, C 1032 1032 1032Linear coefficient of therma
30、l expansion, C (23 to 100C) 13.5 10613.5 10613.5 106Thermal emf versus platinum (0100C), V/C 18 . 23Softening voltage, mV . . 200Melting voltage, mV . . 390Fatigue strength (rotating-bending) at 10 stress reversals:ksiMPaModulus of elasticity in tension:45310ksiMPa161031101031610311010316103110103AM
31、aterial in the solution-annealed and stress-relieved tempers may be age hardened by subjecting it to an elevated temperature for a specified period of time.Temperatures ranging from 800 to 1000F (430 to 540C) at times from 10 to 45 min (the lower temperatures require the longer times) are ordinarily useful. When agehardening is to be done by other than the material manufacturer, the manufacturer should be consulted for the time-temperature treatment most suitable for the purchasersapplication.B563 01 (2017)3
